diff --git a/packages/common/src/chain-infos/chain-info-reader.ts b/packages/common/src/chain-infos/chain-info-reader.ts
index 55bd4ab..82ceb12 100644
--- a/packages/common/src/chain-infos/chain-info-reader.ts
+++ b/packages/common/src/chain-infos/chain-info-reader.ts
@@ -12,14 +12,16 @@ import {
 import path from "path";
 
 export class ChainInfoReaderFromBackend implements ChainInfoReader {
+  constructor(private readonly baseUrl?: string, private readonly dex?: string) {}
+
   async readChainInfos() {
     const chains = (await (
       await fetchRetry(
-        CHAIN_REGISTRY_BACKEND_ENDPOINTS.BASE_URL +
+        this.baseUrl ?? CHAIN_REGISTRY_BACKEND_ENDPOINTS.BASE_URL +
           path.join(
             CHAIN_REGISTRY_BACKEND_ENDPOINTS.BASE_ENDPOINT,
             CHAIN_REGISTRY_BACKEND_ENDPOINTS.CHAIN_INFOS
-          )
+          ) + "?dex=" + this.dex
       )
     ).json()) as CustomChainInfo[];
     return chains;
diff --git a/packages/common/src/common.ts b/packages/common/src/common.ts
index 2686d11..0e98662 100644
--- a/packages/common/src/common.ts
+++ b/packages/common/src/common.ts
@@ -29,8 +29,8 @@ export class OraiCommon {
     return OraiCommon.initializeFromCustomChainInfos(customChainInfos);
   }
 
-  static async initializeFromBackend() {
-    const reader = new ChainInfoReaderFromBackend();
+  static async initializeFromBackend(baseUrl?: string, dex?: string) {
+    const reader = new ChainInfoReaderFromBackend(baseUrl, dex);
     return OraiCommon.initializeFromChainInfoReader(reader);
   }